EXHIBIT 11.2 SONUS PHARMACEUTICALS, INC. COMPUTATION OF HISTORICAL NET INCOME (LOSS) PER SHARE
Year Ended December 31, ---------------------------------------- 1996 1995 1994 ----------- ----------- ----------- Net income (loss) ............................................................ $ 1,722,145 $(5,938,941) $(8,897,275) =========== =========== =========== Weighted average shares outstanding .......................................... 8,481,084 3,280,928 1,859,478 Net effect of stock options exercised and stock options and warrants granted during the 12 months prior to the Company's filing of its initial public offering, at less than offering price, calculated using the treasury stock method at the offering price of $7 per share, and treated as outstanding for all periods presented through the closing date of the initial public offering ................................................................... -- 73,297 262,943 Net effect of common stock equivalents using the treasury stock method ...................................................... 517,446 -- -- ----------- ----------- ----------- Shares used in computation of historical net income (loss) per share ......... 8,998,530 3,354,225 2,122,421 =========== =========== =========== Historical net income (loss) per share ....................................... $ 0.19 $ (1.77) $ (4.19) =========== =========== ===========